--- type: "Bill" title: "Energy: alternative sources; property assessed clean energy program; include environmental hazard and new construction projects and agricultural and multifamily property. Amends title & secs. 3, 5, 7, 11, 13, 15 & 17 of 2010 PA 270 (MCL 460.933 et seq.)." description: "Energy: alternative sources; property assessed clean energy program; include environmental hazard and new construction projects and agricultural and multifamily property. Amends title & secs. 3, 5, 7, 11, 13, 15 & 17 of 2010 PA 270 (MCL 460.933 et seq.)." jurisdiction: "us/states/mi" legislature: "Michigan Legislature" session: "2023-2024" identifier: "SB 303" citation: "Michigan SB 303 (2023-2024)" classification: ["bill"] subjects: ["Energy: alternative sources", "Energy: conservation and efficiency", "Health: hazardous products", "Property tax: special assessments", "Water supply: quality and standards"] status: "enacted" primary_sponsors: ["Kristen McDonald Rivet"] version_count: 6 action_count: 27 vote_count: 2 first_action: "2023-04-27" last_action: "2023-08-22" source: "openstates" source_identifier: "ocd-bill/b70cce7b-4207-4563-9bc6-f91ffb3af25a" source_url: "https://legislature.mi.gov/Bills/Bill?ObjectName=2023-SB-0303" source_hash: "b5d1185e8044a07b56d3bdb5eb11e3ca1eb28c53480ca31796d57ba1cbd53074" vintage: "2026-07-01" source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump" retrieved_at: "2026-07-06" confidence: "reported" tags: ["legislation", "bill", "us-mi"] --- # Michigan SB 303 (2023-2024) — Energy: alternative sources; property assessed clean energy program; include environmental hazard and new construction projects and agricultural and multifamily property. Amends title & secs. 3, 5, 7, 11, 13, 15 & 17 of 2010 PA 270 (MCL 460.933 et seq.). ## Version chain The bill's text revisions, in order — the diff chain from filing to enrollment. 1. **As Passed by the House** (committee substitute) — [source](https://legislature.mi.gov/documents/2023-2024/billengrossed/Senate/pdf/2023-SEBH-0303.pdf) 2. **As Passed by the Senate** (committee substitute) — [source](https://legislature.mi.gov/documents/2023-2024/billengrossed/Senate/pdf/2023-SEBS-0303.pdf) 3. **Public Act** (committee substitute) — [source](https://legislature.mi.gov/documents/2023-2024/publicact/pdf/2023-PA-0107.pdf) 4. **Senate Introduced Bill** (committee substitute) — [source](https://legislature.mi.gov/documents/2023-2024/billintroduced/Senate/pdf/2023-SIB-0303.pdf) 5. **Substitute (S-1)** (committee substitute) — [source](https://legislature.mi.gov/Home/GetObject?objectName=2023-SCVBS-0303-00C77.pdf) 6. **Substitute (S-1) - 2** (committee substitute) — [source](https://legislature.mi.gov/Home/GetObject?objectName=2023-SCVBS-0303-00D48.pdf) ## Votes - passed; given immediate effect Roll Call # 235 Yeas 56 Nays 52 Excused 0 Not Voting 2 — **56–52** (pass) · lower - PASSED ROLL CALL # 320 YEAS 24 NAYS 14 EXCUSED 0 NOT VOTING 0 — **24–14** (pass) · upper ## Sponsors - Kristen McDonald Rivet — primary (person) - Darrin Camilleri — cosponsor (person) - Dayna Polehanki — cosponsor (person) - Jeff Irwin — cosponsor (person) - Mary Cavanagh — cosponsor (person) - Paul Wojno — cosponsor (person) - Sam Singh — cosponsor (person) - Sean McCann — cosponsor (person) - Stephanie Chang — cosponsor (person) - Sue Shink — cosponsor (person) - Sylvia A. Santana — cosponsor (person) ## Timeline The legislative action history — every referral, reading, and vote. - **2023-04-27** INTRODUCED BY SENATOR KRISTEN MCDONALD RIVET `introduction` - **2023-04-27** REFERRED TO COMMITTEE ON ENERGY AND ENVIRONMENT `referral-committee` - **2023-05-24** REPORTED FAVORABLY WITHOUT AMENDMENT `committee-passage` - **2023-05-24** REFERRED TO COMMITTEE OF THE WHOLE `referral-committee` - **2023-05-24** REPORTED BY COMMITTEE OF THE WHOLE FAVORABLY WITH SUBSTITUTE (S-1) `committee-passage` - **2023-05-24** SUBSTITUTE (S-1) CONCURRED IN - **2023-05-24** PLACED ON ORDER OF THIRD READING WITH SUBSTITUTE (S-1) - **2023-05-24** RULES SUSPENDED - **2023-05-24** PLACED ON IMMEDIATE PASSAGE - **2023-05-24** PASSED ROLL CALL # 320 YEAS 24 NAYS 14 EXCUSED 0 NOT VOTING 0 `passage` - **2023-05-24** received on 05/24/2023 `introduction` - **2023-05-24** read a first time `reading-1` - **2023-05-24** referred to Committee on Energy, Communications, and Technology `referral-committee` - **2023-06-21** reported with recommendation without amendment `committee-passage` - **2023-06-21** referred to second reading - **2023-06-22** read a second time `reading-2` - **2023-06-22** placed on third reading - **2023-06-27** read a third time `reading-3` - **2023-06-27** passed; given immediate effect Roll Call # 235 Yeas 56 Nays 52 Excused 0 Not Voting 2 `passage` - **2023-06-27** inserted full title - **2023-06-27** returned to Senate - **2023-06-28** FULL TITLE AGREED TO - **2023-06-28** ORDERED ENROLLED - **2023-07-18** PRESENTED TO GOVERNOR 07/17/2023 10:57 AM `executive-receipt` - **2023-08-22** APPROVED BY GOVERNOR 07/26/2023 11:58 AM `executive-signature` - **2023-08-22** FILED WITH SECRETARY OF STATE 07/27/2023 09:46 AM - **2023-08-22** ASSIGNED PA 0107'23 ## Source OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/b70cce7b-4207-4563-9bc6-f91ffb3af25a`. Confidence: reported (aggregated from official Michigan legislature records).